<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>HttpChunkAggregator xref</title>
<link type="text/css" rel="stylesheet" href="../../../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../../../api/org/jboss/netty/handler/codec/http/HttpChunkAggregator.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.handler.codec.http;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.jboss.netty.channel.Channels.*;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.jboss.netty.handler.codec.http.HttpHeaders.*;
<a class="jxr_linenumber" name="20" href="#20">20</a>  
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.util.Map.Entry;
<a class="jxr_linenumber" name="23" href="#23">23</a>  
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffer;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffers;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.CompositeChannelBuffer;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandler;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipeline;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.LifeCycleAwareChannelHandler;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.MessageEvent;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.SimpleChannelUpstreamHandler;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.frame.TooLongFrameException;
<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.CharsetUtil;
<a class="jxr_linenumber" name="35" href="#35">35</a>  
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * A {@link ChannelHandler} that aggregates an {@link HttpMessage}</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * and its following {@link HttpChunk}s into a single {@link HttpMessage} with</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * no following {@link HttpChunk}s.  It is useful when you don't want to take</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * care of HTTP messages whose transfer encoding is 'chunked'.  Insert this</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * handler after {@link HttpMessageDecoder} in the {@link ChannelPipeline}:</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * {@link ChannelPipeline} p = ...;</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * ...</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * p.addLast("decoder", new {@link HttpRequestDecoder}());</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * p.addLast("aggregator", &lt;b&gt;new {@link HttpChunkAggregator}(1048576)&lt;/b&gt;);</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> * ...</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * p.addLast("encoder", new {@link HttpResponseEncoder}());</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> * p.addLast("handler", new HttpRequestHandler());</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>  <em class="jxr_javadoccomment"> * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="51" href="#51">51</a>  <em class="jxr_javadoccomment"> * @apiviz.landmark</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>  <em class="jxr_javadoccomment"> * @apiviz.has org.jboss.netty.handler.codec.http.HttpChunk oneway - - filters out</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunkAggregator.html">HttpChunkAggregator</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/jboss/netty/channel/SimpleChannelUpstreamHandler.html">SimpleChannelUpstreamHandler</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a> {
<a class="jxr_linenumber" name="55" href="#55">55</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_MAX_COMPOSITEBUFFER_COMPONENTS = 1024;
<a class="jxr_linenumber" name="56" href="#56">56</a>  
<a class="jxr_linenumber" name="57" href="#57">57</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> CONTINUE = ChannelBuffers.copiedBuffer(
<a class="jxr_linenumber" name="58" href="#58">58</a>              <span class="jxr_string">"HTTP/1.1 100 Continue\r\n\r\n"</span>, CharsetUtil.US_ASCII);
<a class="jxr_linenumber" name="59" href="#59">59</a>  
<a class="jxr_linenumber" name="60" href="#60">60</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maxContentLength;
<a class="jxr_linenumber" name="61" href="#61">61</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> currentMessage;
<a class="jxr_linenumber" name="62" href="#62">62</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> tooLongFrameFound;
<a class="jxr_linenumber" name="63" href="#63">63</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx;
<a class="jxr_linenumber" name="64" href="#64">64</a>  
<a class="jxr_linenumber" name="65" href="#65">65</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> maxCumulationBufferComponents = DEFAULT_MAX_COMPOSITEBUFFER_COMPONENTS;
<a class="jxr_linenumber" name="66" href="#66">66</a>  
<a class="jxr_linenumber" name="67" href="#67">67</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment">     * @param maxContentLength</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment">     *        the maximum length of the aggregated content.</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment">     *        If the length of the aggregated content exceeds this value,</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     *        a {@link TooLongFrameException} will be raised.</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunkAggregator.html">HttpChunkAggregator</a>(<strong class="jxr_keyword">int</strong> maxContentLength) {
<a class="jxr_linenumber" name="76" href="#76">76</a>          <strong class="jxr_keyword">if</strong> (maxContentLength &lt;= 0) {
<a class="jxr_linenumber" name="77" href="#77">77</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="78" href="#78">78</a>                      <span class="jxr_string">"maxContentLength must be a positive integer: "</span> +
<a class="jxr_linenumber" name="79" href="#79">79</a>                      maxContentLength);
<a class="jxr_linenumber" name="80" href="#80">80</a>          }
<a class="jxr_linenumber" name="81" href="#81">81</a>          <strong class="jxr_keyword">this</strong>.maxContentLength = maxContentLength;
<a class="jxr_linenumber" name="82" href="#82">82</a>      }
<a class="jxr_linenumber" name="83" href="#83">83</a>  
<a class="jxr_linenumber" name="84" href="#84">84</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment">     * Returns the maximum number of components in the cumulation buffer.  If the number of</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment">     * the components in the cumulation buffer exceeds this value, the components of the</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment">     * cumulation buffer are consolidated into a single component, involving memory copies.</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment">     * The default value of this property is {@link #DEFAULT_MAX_COMPOSITEBUFFER_COMPONENTS}.</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> getMaxCumulationBufferComponents() {
<a class="jxr_linenumber" name="91" href="#91">91</a>          <strong class="jxr_keyword">return</strong> maxCumulationBufferComponents;
<a class="jxr_linenumber" name="92" href="#92">92</a>      }
<a class="jxr_linenumber" name="93" href="#93">93</a>  
<a class="jxr_linenumber" name="94" href="#94">94</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>  <em class="jxr_javadoccomment">     * Sets the maximum number of components in the cumulation buffer.  If the number of</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>  <em class="jxr_javadoccomment">     * the components in the cumulation buffer exceeds this value, the components of the</em>
<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_javadoccomment">     * cumulation buffer are consolidated into a single component, involving memory copies.</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment">     * The default value of this property is {@link #DEFAULT_MAX_COMPOSITEBUFFER_COMPONENTS}</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment">     * and its minimum allowed value is {@code 2}.</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="101" href="#101">101</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> setMaxCumulationBufferComponents(<strong class="jxr_keyword">int</strong> maxCumulationBufferComponents) {
<a class="jxr_linenumber" name="102" href="#102">102</a>         <strong class="jxr_keyword">if</strong> (maxCumulationBufferComponents &lt; 2) {
<a class="jxr_linenumber" name="103" href="#103">103</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="104" href="#104">104</a>                     <span class="jxr_string">"maxCumulationBufferComponents: "</span> + maxCumulationBufferComponents +
<a class="jxr_linenumber" name="105" href="#105">105</a>                     <span class="jxr_string">" (expected: &gt;= 2)"</span>);
<a class="jxr_linenumber" name="106" href="#106">106</a>         }
<a class="jxr_linenumber" name="107" href="#107">107</a> 
<a class="jxr_linenumber" name="108" href="#108">108</a>         <strong class="jxr_keyword">if</strong> (ctx == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="109" href="#109">109</a>             <strong class="jxr_keyword">this</strong>.maxCumulationBufferComponents = maxCumulationBufferComponents;
<a class="jxr_linenumber" name="110" href="#110">110</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="111" href="#111">111</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(
<a class="jxr_linenumber" name="112" href="#112">112</a>                     <span class="jxr_string">"decoder properties cannot be changed once the decoder is added to a pipeline."</span>);
<a class="jxr_linenumber" name="113" href="#113">113</a>         }
<a class="jxr_linenumber" name="114" href="#114">114</a>     }
<a class="jxr_linenumber" name="115" href="#115">115</a> 
<a class="jxr_linenumber" name="116" href="#116">116</a>     @Override
<a class="jxr_linenumber" name="117" href="#117">117</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> messageReceived(<a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> e)
<a class="jxr_linenumber" name="118" href="#118">118</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="119" href="#119">119</a> 
<a class="jxr_linenumber" name="120" href="#120">120</a>         Object msg = e.getMessage();
<a class="jxr_linenumber" name="121" href="#121">121</a>         <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> currentMessage = <strong class="jxr_keyword">this</strong>.currentMessage;
<a class="jxr_linenumber" name="122" href="#122">122</a> 
<a class="jxr_linenumber" name="123" href="#123">123</a>         <strong class="jxr_keyword">if</strong> (msg instanceof HttpMessage) {
<a class="jxr_linenumber" name="124" href="#124">124</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> m = (HttpMessage) msg;
<a class="jxr_linenumber" name="125" href="#125">125</a>             tooLongFrameFound = false;
<a class="jxr_linenumber" name="126" href="#126">126</a> 
<a class="jxr_linenumber" name="127" href="#127">127</a>             <em class="jxr_comment">// Handle the 'Expect: 100-continue' header if necessary.</em>
<a class="jxr_linenumber" name="128" href="#128">128</a>             <em class="jxr_comment">// TODO: Respond with 413 Request Entity Too Large</em>
<a class="jxr_linenumber" name="129" href="#129">129</a>             <em class="jxr_comment">//   and discard the traffic or close the connection.</em>
<a class="jxr_linenumber" name="130" href="#130">130</a>             <em class="jxr_comment">//       No need to notify the upstream handlers - just log.</em>
<a class="jxr_linenumber" name="131" href="#131">131</a>             <em class="jxr_comment">//       If decoding a response, just throw an exception.</em>
<a class="jxr_linenumber" name="132" href="#132">132</a>             <strong class="jxr_keyword">if</strong> (is100ContinueExpected(m)) {
<a class="jxr_linenumber" name="133" href="#133">133</a>                 write(ctx, succeededFuture(ctx.getChannel()), CONTINUE.duplicate());
<a class="jxr_linenumber" name="134" href="#134">134</a>             }
<a class="jxr_linenumber" name="135" href="#135">135</a> 
<a class="jxr_linenumber" name="136" href="#136">136</a>             <strong class="jxr_keyword">if</strong> (m.isChunked()) {
<a class="jxr_linenumber" name="137" href="#137">137</a>                 <em class="jxr_comment">// A chunked message - remove 'Transfer-Encoding' header,</em>
<a class="jxr_linenumber" name="138" href="#138">138</a>                 <em class="jxr_comment">// initialize the cumulative buffer, and wait for incoming chunks.</em>
<a class="jxr_linenumber" name="139" href="#139">139</a>                 HttpCodecUtil.removeTransferEncodingChunked(m);
<a class="jxr_linenumber" name="140" href="#140">140</a>                 m.setChunked(false);
<a class="jxr_linenumber" name="141" href="#141">141</a>                 <strong class="jxr_keyword">this</strong>.currentMessage = m;
<a class="jxr_linenumber" name="142" href="#142">142</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="143" href="#143">143</a>                 <em class="jxr_comment">// Not a chunked message - pass through.</em>
<a class="jxr_linenumber" name="144" href="#144">144</a>                 <strong class="jxr_keyword">this</strong>.currentMessage = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="145" href="#145">145</a>                 ctx.sendUpstream(e);
<a class="jxr_linenumber" name="146" href="#146">146</a>             }
<a class="jxr_linenumber" name="147" href="#147">147</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (msg instanceof HttpChunk) {
<a class="jxr_linenumber" name="148" href="#148">148</a>             <em class="jxr_comment">// Sanity check</em>
<a class="jxr_linenumber" name="149" href="#149">149</a>             <strong class="jxr_keyword">if</strong> (currentMessage == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="150" href="#150">150</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(
<a class="jxr_linenumber" name="151" href="#151">151</a>                         <span class="jxr_string">"received "</span> + HttpChunk.<strong class="jxr_keyword">class</strong>.getSimpleName() +
<a class="jxr_linenumber" name="152" href="#152">152</a>                         <span class="jxr_string">" without "</span> + HttpMessage.<strong class="jxr_keyword">class</strong>.getSimpleName());
<a class="jxr_linenumber" name="153" href="#153">153</a>             }
<a class="jxr_linenumber" name="154" href="#154">154</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunk.html">HttpChunk</a> chunk = (HttpChunk) msg;
<a class="jxr_linenumber" name="155" href="#155">155</a> 
<a class="jxr_linenumber" name="156" href="#156">156</a>             <strong class="jxr_keyword">if</strong> (tooLongFrameFound) {
<a class="jxr_linenumber" name="157" href="#157">157</a>                 <strong class="jxr_keyword">if</strong> (chunk.isLast()) {
<a class="jxr_linenumber" name="158" href="#158">158</a>                     <strong class="jxr_keyword">this</strong>.currentMessage = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="159" href="#159">159</a>                 }
<a class="jxr_linenumber" name="160" href="#160">160</a>                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="161" href="#161">161</a>             }
<a class="jxr_linenumber" name="162" href="#162">162</a> 
<a class="jxr_linenumber" name="163" href="#163">163</a>             <em class="jxr_comment">// Merge the received chunk into the content of the current message.</em>
<a class="jxr_linenumber" name="164" href="#164">164</a>             <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> content = currentMessage.getContent();
<a class="jxr_linenumber" name="165" href="#165">165</a> 
<a class="jxr_linenumber" name="166" href="#166">166</a>             <strong class="jxr_keyword">if</strong> (content.readableBytes() &gt; maxContentLength - chunk.getContent().readableBytes()) {
<a class="jxr_linenumber" name="167" href="#167">167</a>                 tooLongFrameFound = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="168" href="#168">168</a> 
<a class="jxr_linenumber" name="169" href="#169">169</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/frame/TooLongFrameException.html">TooLongFrameException</a>(
<a class="jxr_linenumber" name="170" href="#170">170</a>                         <span class="jxr_string">"HTTP content length exceeded "</span> + maxContentLength +
<a class="jxr_linenumber" name="171" href="#171">171</a>                         <span class="jxr_string">" bytes."</span>);
<a class="jxr_linenumber" name="172" href="#172">172</a>             }
<a class="jxr_linenumber" name="173" href="#173">173</a> 
<a class="jxr_linenumber" name="174" href="#174">174</a>             <em class="jxr_comment">// Append the content of the chunk</em>
<a class="jxr_linenumber" name="175" href="#175">175</a>             appendToCumulation(chunk.getContent());
<a class="jxr_linenumber" name="176" href="#176">176</a> 
<a class="jxr_linenumber" name="177" href="#177">177</a>             <strong class="jxr_keyword">if</strong> (chunk.isLast()) {
<a class="jxr_linenumber" name="178" href="#178">178</a>                 <strong class="jxr_keyword">this</strong>.currentMessage = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="179" href="#179">179</a> 
<a class="jxr_linenumber" name="180" href="#180">180</a>                 <em class="jxr_comment">// Merge trailing headers into the message.</em>
<a class="jxr_linenumber" name="181" href="#181">181</a>                 <strong class="jxr_keyword">if</strong> (chunk instanceof HttpChunkTrailer) {
<a class="jxr_linenumber" name="182" href="#182">182</a>                     <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunkTrailer.html">HttpChunkTrailer</a> trailer = (HttpChunkTrailer) chunk;
<a class="jxr_linenumber" name="183" href="#183">183</a>                     <strong class="jxr_keyword">for</strong> (Entry&lt;String, String&gt; header: trailer.trailingHeaders()) {
<a class="jxr_linenumber" name="184" href="#184">184</a>                         currentMessage.headers().set(header.getKey(), header.getValue());
<a class="jxr_linenumber" name="185" href="#185">185</a>                     }
<a class="jxr_linenumber" name="186" href="#186">186</a>                 }
<a class="jxr_linenumber" name="187" href="#187">187</a> 
<a class="jxr_linenumber" name="188" href="#188">188</a>                 <em class="jxr_comment">// Set the 'Content-Length' header.</em>
<a class="jxr_linenumber" name="189" href="#189">189</a>                 currentMessage.headers().set(
<a class="jxr_linenumber" name="190" href="#190">190</a>                         HttpHeaders.Names.CONTENT_LENGTH,
<a class="jxr_linenumber" name="191" href="#191">191</a>                         String.valueOf(content.readableBytes()));
<a class="jxr_linenumber" name="192" href="#192">192</a> 
<a class="jxr_linenumber" name="193" href="#193">193</a>                 <em class="jxr_comment">// All done - generate the event.</em>
<a class="jxr_linenumber" name="194" href="#194">194</a>                 fireMessageReceived(ctx, currentMessage, e.getRemoteAddress());
<a class="jxr_linenumber" name="195" href="#195">195</a>             }
<a class="jxr_linenumber" name="196" href="#196">196</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="197" href="#197">197</a>             <em class="jxr_comment">// Neither HttpMessage or HttpChunk</em>
<a class="jxr_linenumber" name="198" href="#198">198</a>             ctx.sendUpstream(e);
<a class="jxr_linenumber" name="199" href="#199">199</a>         }
<a class="jxr_linenumber" name="200" href="#200">200</a>     }
<a class="jxr_linenumber" name="201" href="#201">201</a> 
<a class="jxr_linenumber" name="202" href="#202">202</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> appendToCumulation(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> input) {
<a class="jxr_linenumber" name="203" href="#203">203</a>         <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> cumulation = currentMessage.getContent();
<a class="jxr_linenumber" name="204" href="#204">204</a>         <strong class="jxr_keyword">if</strong> (cumulation instanceof CompositeChannelBuffer) {
<a class="jxr_linenumber" name="205" href="#205">205</a>             <em class="jxr_comment">// Make sure the resulting cumulation buffer has no more than the configured components.</em>
<a class="jxr_linenumber" name="206" href="#206">206</a>             <a href="../../../../../../org/jboss/netty/buffer/CompositeChannelBuffer.html">CompositeChannelBuffer</a> composite = (CompositeChannelBuffer) cumulation;
<a class="jxr_linenumber" name="207" href="#207">207</a>             <strong class="jxr_keyword">if</strong> (composite.numComponents() &gt;= maxCumulationBufferComponents) {
<a class="jxr_linenumber" name="208" href="#208">208</a>                 currentMessage.setContent(ChannelBuffers.wrappedBuffer(composite.copy(), input));
<a class="jxr_linenumber" name="209" href="#209">209</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="210" href="#210">210</a>                 List&lt;ChannelBuffer&gt; decomposed = composite.decompose(0, composite.readableBytes());
<a class="jxr_linenumber" name="211" href="#211">211</a>                 <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a>[] buffers = decomposed.toArray(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a>[decomposed.size() + 1]);
<a class="jxr_linenumber" name="212" href="#212">212</a>                 buffers[buffers.length - 1] = input;
<a class="jxr_linenumber" name="213" href="#213">213</a> 
<a class="jxr_linenumber" name="214" href="#214">214</a>                 currentMessage.setContent(ChannelBuffers.wrappedBuffer(buffers));
<a class="jxr_linenumber" name="215" href="#215">215</a>             }
<a class="jxr_linenumber" name="216" href="#216">216</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="217" href="#217">217</a>             currentMessage.setContent(ChannelBuffers.wrappedBuffer(cumulation, input));
<a class="jxr_linenumber" name="218" href="#218">218</a>         }
<a class="jxr_linenumber" name="219" href="#219">219</a>     }
<a class="jxr_linenumber" name="220" href="#220">220</a> 
<a class="jxr_linenumber" name="221" href="#221">221</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> beforeAdd(<a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="222" href="#222">222</a>         <strong class="jxr_keyword">this</strong>.ctx = ctx;
<a class="jxr_linenumber" name="223" href="#223">223</a>     }
<a class="jxr_linenumber" name="224" href="#224">224</a> 
<a class="jxr_linenumber" name="225" href="#225">225</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> afterAdd(<a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="226" href="#226">226</a>         <em class="jxr_comment">// noop</em>
<a class="jxr_linenumber" name="227" href="#227">227</a>     }
<a class="jxr_linenumber" name="228" href="#228">228</a> 
<a class="jxr_linenumber" name="229" href="#229">229</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> beforeRemove(<a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="230" href="#230">230</a>         <em class="jxr_comment">// noop</em>
<a class="jxr_linenumber" name="231" href="#231">231</a>     }
<a class="jxr_linenumber" name="232" href="#232">232</a> 
<a class="jxr_linenumber" name="233" href="#233">233</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> afterRemove(<a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="234" href="#234">234</a>         <em class="jxr_comment">// noop</em>
<a class="jxr_linenumber" name="235" href="#235">235</a>     }
<a class="jxr_linenumber" name="236" href="#236">236</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>

